Virtual-BoxStart "Linux Hacking" password is "test"The programs are under cu$> test/app-material/progs------------------------------------to switch off address randomizationecho 0 | sudo tee /proc/sys/kernel/randomize_va_spaceC0.cadd to string " \x15\xcd\x5b\x07"to get foo("my string is too long !!!!! \x15\xcd\x5b\x07");